Home / 11,748.32-16,212.75-6,443.15

Finding the Fourth Proportional to 11,748.32, 16,212.75 and 6,443.15

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Solution

The fourth proportional to 11,748.32, 16,212.75 and 6,443.15 is: 8,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.32 : 16,212.75 = 6,443.15 : x
  2. Step 2: Convert to fraction form
    11,748.32/16,212.75 = 6,443.15/x
  3. Step 3: Cross multiply
    11,748.32x = 16,212.75 × 6,443.15
  4. Step 4: Simplify right side
    11,748.32x = 104,461,180.16
  5. Step 5: Solve for x
    x = 104,461,180.16/11,748.32
  6. Step 6: Final answer
    x = 8,891.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.